4xm.mid

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· MID 代码 · 共 824 行

	.file	1 "4xm.c"
	.section .mdebug.abi32
	.previous
	.section	.text.fourxm_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	fourxm_probe
	.type	fourxm_probe, @function
fourxm_probe:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$6,4($4)
	lbu	$3,3($6)
	lbu	$2,2($6)
	sll	$3,$3,24
	sll	$2,$2,16
	lbu	$4,1($6)
	lbu	$5,0($6)
	or	$3,$3,$2
	or	$3,$3,$5
	sll	$4,$4,8
	li	$2,1178992640			# 0x46460000
	or	$4,$4,$3
	ori	$2,$2,0x4952
	bne	$4,$2,$L2
	nop

	lbu	$2,11($6)
	lbu	$3,10($6)
	sll	$2,$2,24
	sll	$3,$3,16
	lbu	$5,8($6)
	lbu	$4,9($6)
	or	$2,$2,$3
	or	$2,$2,$5
	sll	$4,$4,8
	or	$4,$4,$2
	li	$2,1447886848			# 0x564d0000
	ori	$2,$2,0x5834
	beq	$4,$2,$L5
	li	$3,100			# 0x64

$L2:
	move	$3,$0
$L5:
	j	$31
	move	$2,$3

	.set	macro
	.set	reorder
	.end	fourxm_probe
	.section	.text.fourxm_read_close,"ax",@progbits
	.align	2
	.align	5
	.ent	fourxm_read_close
	.type	fourxm_read_close, @function
fourxm_read_close:
	.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
	.mask	0x80000000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-24
	sw	$31,16($sp)
	lw	$2,12($4)
	jal	av_free
	lw	$4,16($2)

	lw	$31,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	fourxm_read_close
	.section	.text.fourxm_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	fourxm_read_packet
	.type	fourxm_read_packet, @function
fourxm_read_packet:
	.frame	$sp,80,$31		# vars= 16, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-80
	sw	$fp,72($sp)
	sw	$31,76($sp)
	sw	$23,68($sp)
	sw	$22,64($sp)
	sw	$21,60($sp)
	sw	$20,56($sp)
	sw	$19,52($sp)
	sw	$18,48($sp)
	sw	$17,44($sp)
	sw	$16,40($sp)
	lw	$2,12($4)
	sw	$5,84($sp)
	sw	$2,32($sp)
	addiu	$fp,$4,16
$L39:
	move	$4,$fp
$L42:
	addiu	$5,$sp,24
	jal	get_buffer
	li	$6,8			# 0x8

	bltz	$2,$L12
	move	$9,$2

	move	$4,$fp
	lbu	$19,27($sp)
	lbu	$18,26($sp)
	lbu	$23,25($sp)
	lbu	$21,24($sp)
	lbu	$17,31($sp)
	lbu	$16,30($sp)
	lbu	$22,29($sp)
	jal	url_feof
	lbu	$20,28($sp)

	bne	$2,$0,$L14
	sll	$2,$18,16

	sll	$3,$19,24
	or	$3,$3,$2
	sll	$4,$17,24
	sll	$2,$16,16
	or	$4,$4,$2
	or	$3,$3,$21
	sll	$2,$23,8
	or	$3,$2,$3
	li	$2,1414725632			# 0x54530000
	or	$4,$4,$20
	sll	$5,$22,8
	ori	$2,$2,0x494c
	beq	$3,$2,$L18
	or	$17,$5,$4

	sltu	$2,$2,$3
	bne	$2,$0,$L20
	li	$4,1836187648			# 0x6d720000

	li	$4,846331904			# 0x32720000
	ori	$2,$4,0x6669
	beq	$3,$2,$L17
	ori	$2,$4,0x6670

	beq	$3,$2,$L17
	ori	$2,$4,0x6663

	beq	$3,$2,$L43
	addiu	$5,$17,8

$L16:
	move	$6,$17
$L44:
	move	$7,$0
	move	$4,$fp
	li	$2,1			# 0x1
	jal	url_fseek
	sw	$2,16($sp)

	j	$L42
	move	$4,$fp

$L20:
	ori	$2,$4,0x6663
	beq	$3,$2,$L17
	sltu	$2,$2,$3

	beq	$2,$0,$L40
	li	$2,1600389120			# 0x5f640000

	ori	$2,$4,0x6669
	beq	$3,$2,$L17
	ori	$2,$4,0x6670

	bne	$3,$2,$L44
	move	$6,$17

$L17:
	addiu	$5,$17,8
$L43:
	sltu	$2,$5,$17
	bne	$2,$0,$L12
	li	$9,-5			# 0xfffffffffffffffb

	jal	av_new_packet
	lw	$4,84($sp)

	bne	$2,$0,$L14
	lw	$3,32($sp)

	lw	$4,32($3)
	lw	$5,36($3)
	lw	$2,8($3)
	lw	$3,84($sp)
	sw	$4,0($3)
	sw	$5,4($3)
	move	$4,$fp
	jal	url_ftell
	sw	$2,24($3)

	lw	$5,84($sp)
	li	$6,8			# 0x8
	lw	$4,16($5)
	sw	$3,52($5)
	sw	$2,48($5)
	jal	memcpy
	addiu	$5,$sp,24

	lw	$2,84($sp)
	move	$6,$17
	lw	$5,16($2)
	move	$4,$fp
	jal	get_buffer
	addiu	$5,$5,8

	bltz	$2,$L41
	move	$9,$2

$L12:
	lw	$31,76($sp)
	lw	$fp,72($sp)
	lw	$23,68($sp)
	lw	$22,64($sp)
	lw	$21,60($sp)
	lw	$20,56($sp)
	lw	$19,52($sp)
	lw	$18,48($sp)
	lw	$17,44($sp)
	lw	$16,40($sp)
	move	$2,$9
	j	$31
	addiu	$sp,$sp,80

$L18:
	lw	$4,32($sp)
	lw	$2,32($4)
	lw	$3,36($4)
	addiu	$6,$2,1
	sltu	$5,$6,$2
	addu	$7,$5,$3
	lw	$5,32($sp)
	move	$4,$fp
	sw	$6,32($5)
	jal	get_le32
	sw	$7,36($5)

	j	$L42
	move	$4,$fp

$L40:
	ori	$2,$2,0x6e73
	bne	$3,$2,$L44
	move	$6,$17

	jal	get_le32
	move	$4,$fp

	move	$4,$fp
	jal	get_le32
	move	$16,$2

	lw	$4,32($sp)
	lw	$3,20($4)
	bne	$16,$3,$L16
	addiu	$17,$17,-8

	lw	$5,84($sp)
	move	$4,$fp
	jal	av_get_packet
	move	$6,$17

	bltz	$2,$L14
	move	$9,$2

	lw	$5,32($sp)
	lw	$2,20($5)
	lw	$6,16($5)
	sll	$3,$2,4
	sll	$2,$2,2
	addu	$2,$2,$3
	addu	$2,$2,$6
	lw	$3,12($2)
	lw	$2,84($sp)
	lw	$4,24($5)
	sw	$3,24($2)
	lw	$3,32($sp)
	lw	$5,28($5)
	lw	$2,20($3)
	lw	$3,84($sp)
	sw	$4,0($3)
	sw	$5,4($3)
	sll	$3,$2,4
	sll	$2,$2,2
	addu	$2,$2,$3
	addu	$2,$2,$6
	lw	$3,16($2)
	beq	$3,$0,$L29
	nop

	lw	$2,8($2)
	sll	$3,$2,1
	subu	$3,$17,$3
	div	$0,$3,$2
	teq	$2,$0,7
	mflo	$3
	sll	$2,$3,1
$L31:
	lw	$3,32($sp)
	sra	$5,$2,31
	lw	$6,24($3)
	lw	$7,28($3)
	addu	$2,$6,$2
	lw	$4,32($sp)
	sltu	$8,$2,$6
	addu	$3,$7,$5
	addu	$3,$8,$3
	sw	$2,24($4)
	j	$L12
	sw	$3,28($4)

$L41:
	lw	$3,84($sp)
	lw	$2,36($3)
	beq	$2,$0,$L39
	nop

	jal	$2
	move	$4,$3

	j	$L42
	move	$4,$fp

$L14:
	j	$L12
	li	$9,-5			# 0xfffffffffffffffb

$L29:
	lw	$4,8($2)
	lw	$2,4($2)
	div	$0,$17,$4
	teq	$4,$0,7
	addiu	$5,$2,7
	slt	$3,$2,0
	movn	$2,$5,$3
	sra	$2,$2,3
	mflo	$4
	div	$0,$4,$2
	teq	$2,$0,7
	j	$L31
	mflo	$2

	.set	macro
	.set	reorder
	.end	fourxm_read_packet
	.globl	__fixsfsi
	.section	.rodata.cst4,"aM",@progbits,4
	.align	2
$LC0:
	.word	1065353216
	.section	.text.fourxm_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	fourxm_read_header
	.type	fourxm_read_header, @function
fourxm_read_header:
	.frame	$sp,64,$31		# vars= 0, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-64
	sw	$31,60($sp)
	sw	$20,40($sp)
	sw	$19,36($sp)
	sw	$18,32($sp)
	sw	$16,24($sp)
	sw	$fp,56($sp)
	sw	$23,52($sp)
	sw	$22,48($sp)
	sw	$21,44($sp)
	sw	$17,28($sp)
	lui	$2,%hi($LC0)
	lw	$17,12($4)
	lw	$3,%lo($LC0)($2)
	addiu	$19,$4,16
	li	$6,12			# 0xc
	move	$7,$0
	sw	$3,40($17)
	sw	$0,12($17)
	sw	$0,16($17)
	sw	$0,20($17)
	li	$2,1			# 0x1
	move	$20,$4
	move	$4,$19
	jal	url_fseek
	sw	$2,16($sp)

	jal	get_le32
	move	$4,$19

	move	$4,$19
	jal	get_le32
	move	$16,$2

	move	$18,$2
	li	$2,1414725632			# 0x54530000
	ori	$2,$2,0x494c
	beq	$16,$2,$L88
	nop

$L87:
	li	$4,-22			# 0xffffffffffffffea
$L53:
	lw	$31,60($sp)
	lw	$fp,56($sp)
	lw	$23,52($sp)
	lw	$22,48($sp)
	lw	$21,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$4
	j	$31
	addiu	$sp,$sp,64

$L88:
	jal	get_le32
	move	$4,$19

	li	$3,1145110528			# 0x44410000
	ori	$3,$3,0x4548
	bne	$2,$3,$L53
	li	$4,-22			# 0xffffffffffffffea

	addiu	$16,$18,-4
	jal	av_malloc
	move	$4,$16

	bne	$2,$0,$L89
	move	$fp,$2

$L49:
	j	$L53
	li	$4,-12			# 0xfffffffffffffff4

$L89:
	move	$4,$19
	move	$5,$2
	jal	get_buffer
	move	$6,$16

	bne	$16,$2,$L53
	li	$4,-5			# 0xfffffffffffffffb

	addiu	$23,$18,-12
	blez	$23,$L54
	move	$22,$0

	j	$L92
	addu	$18,$fp,$22

$L57:
	sll	$2,$4,16
	sll	$3,$3,24
	or	$3,$3,$2
	li	$8,1802633216			# 0x6b720000
	or	$3,$3,$6
	sll	$2,$7,8
	ori	$4,$8,0x7476
	beq	$5,$4,$L90
	or	$3,$2,$3

	ori	$2,$8,0x7473
	beq	$5,$2,$L91
	li	$2,40			# 0x28

$L59:
	addiu	$22,$22,1
	slt	$2,$22,$23
	beq	$2,$0,$L54
	addu	$18,$fp,$22

$L92:
	lbu	$2,3($18)
	lbu	$3,2($18)
	lbu	$5,0($18)
	sll	$3,$3,16
	sll	$2,$2,24
	lbu	$4,1($18)
	or	$2,$2,$3
	or	$2,$2,$5
	sll	$4,$4,8
	or	$5,$4,$2
	li	$2,1600389120			# 0x5f640000
	ori	$2,$2,0x7473
	lbu	$3,7($18)
	lbu	$4,6($18)
	lbu	$7,5($18)
	bne	$5,$2,$L57
	lbu	$6,4($18)

	lbu	$4,15($18)
	lbu	$3,14($18)
	lbu	$5,12($18)
	sll	$3,$3,16
	lbu	$2,13($18)
	sll	$4,$4,24
	or	$4,$4,$3
	or	$4,$4,$5
	sll	$2,$2,8
	jal	av_int2flt
	or	$4,$2,$4

	j	$L59
	sw	$2,40($17)

$L54:
	jal	av_free
	move	$4,$fp

	jal	get_le32
	move	$4,$19

	move	$4,$19
	jal	get_le32
	move	$16,$2

	li	$3,1414725632			# 0x54530000
	ori	$3,$3,0x494c
	bne	$16,$3,$L53
	li	$4,-22			# 0xffffffffffffffea

	jal	get_le32
	move	$4,$19

	li	$3,1230372864			# 0x49560000
	ori	$3,$3,0x4f4d
	bne	$2,$3,$L87
	li	$2,-1			# 0xffffffffffffffff

	li	$3,-1			# 0xffffffffffffffff
	sw	$2,32($17)
	sw	$3,36($17)
	move	$2,$0
	move	$3,$0
	move	$4,$0
	sw	$2,24($17)
	j	$L53
	sw	$3,28($17)

$L91:
	bne	$3,$2,$L82
	nop

	lbu	$2,11($18)
	lbu	$3,10($18)
	lbu	$5,8($18)
	sll	$3,$3,16
	sll	$2,$2,24
	lbu	$4,9($18)
	or	$2,$2,$3
	or	$2,$2,$5
	sll	$4,$4,8
	or	$16,$4,$2
	lw	$3,12($17)
	addiu	$5,$16,1
	slt	$3,$3,$5
	beq	$3,$0,$L68
	li	$2,214695936			# 0xccc0000

	ori	$2,$2,0xcccc
	sltu	$2,$5,$2
	beq	$2,$0,$L83
	sw	$5,12($17)

	sll	$2,$5,4
	lw	$4,16($17)
	sll	$5,$5,2
	jal	av_realloc
	addu	$5,$5,$2

	beq	$2,$0,$L84
	sw	$2,16($17)

$L68:
	lbu	$3,15($18)
	lbu	$2,14($18)
	lbu	$4,13($18)
	lbu	$6,12($18)
	sll	$2,$2,16
	sll	$3,$3,24
	sll	$5,$16,2
	or	$3,$3,$2
	lw	$7,16($17)
	sll	$2,$16,4
	addu	$21,$5,$2
	or	$3,$3,$6
	sll	$4,$4,8
	addu	$7,$21,$7
	or	$4,$4,$3
	sw	$4,16($7)
	lbu	$2,39($18)
	lbu	$4,38($18)
	lbu	$5,36($18)
	lbu	$3,37($18)
	sll	$4,$4,16
	sll	$2,$2,24
	or	$2,$2,$4
	or	$2,$2,$5
	sll	$3,$3,8
	or	$3,$3,$2
	sw	$3,8($7)
	lbu	$2,43($18)
	lbu	$4,42($18)
	lbu	$5,40($18)
	lbu	$3,41($18)
	sll	$4,$4,16
	sll	$2,$2,24
	or	$2,$2,$4
	or	$2,$2,$5
	sll	$3,$3,8
	or	$3,$3,$2
	sw	$3,0($7)
	lbu	$2,47($18)
	lbu	$4,46($18)
	lbu	$5,44($18)
	lbu	$3,45($18)
	sll	$4,$4,16
	sll	$2,$2,24
	or	$2,$2,$4
	or	$2,$2,$5
	sll	$3,$3,8
	or	$3,$3,$2
	move	$5,$16
	sw	$3,4($7)
	jal	av_new_stream
	move	$4,$20

	move	$16,$2
	beq	$2,$0,$L49
	addiu	$22,$22,48

	lw	$2,16($17)
	move	$4,$16
	addu	$2,$21,$2
	lw	$7,0($2)
	li	$5,60			# 0x3c
	jal	av_set_pts_info
	li	$6,1			# 0x1

	lw	$4,16($17)
	lw	$2,0($16)
	lw	$8,8($16)
	addu	$4,$21,$4
	sw	$2,12($4)
	sw	$0,232($8)
	lw	$5,8($4)
	li	$2,1			# 0x1
	sw	$5,68($8)
	lw	$6,0($4)
	sw	$2,224($8)
	mul	$3,$5,$6
	sw	$6,64($8)
	lw	$6,4($4)
	mul	$3,$3,$6
	mul	$5,$5,$6
	sw	$3,4($8)
	sw	$5,272($8)
	sw	$6,392($8)
	lw	$2,16($4)
	beq	$2,$0,$L74
	li	$3,65536			# 0x10000

	li	$2,65536			# 0x10000
	ori	$2,$2,0x1007
	j	$L59
	sw	$2,228($8)

$L82:
	jal	av_free
	move	$4,$fp

	j	$L53
	li	$4,-22			# 0xffffffffffffffea

$L74:
	xori	$2,$6,0x8
	ori	$3,$3,0x5
	li	$4,65536			# 0x10000
	movn	$3,$4,$2
	j	$L59
	sw	$3,228($8)

$L90:
	li	$2,68			# 0x44
	bne	$3,$2,$L82
	nop

	lbu	$2,39($18)
	lbu	$4,38($18)
	lbu	$5,36($18)
	lbu	$3,37($18)
	sll	$4,$4,16
	sll	$2,$2,24
	or	$2,$2,$4
	or	$2,$2,$5
	sll	$3,$3,8
	or	$3,$3,$2
	sw	$3,0($17)
	lbu	$2,43($18)
	lbu	$4,42($18)
	lbu	$5,40($18)
	lbu	$3,41($18)
	sll	$4,$4,16
	sll	$2,$2,24
	or	$2,$2,$4
	or	$2,$2,$5
	sll	$3,$3,8
	or	$3,$3,$2
	sw	$3,4($17)
	move	$4,$20
	jal	av_new_stream
	move	$5,$0

	beq	$2,$0,$L49
	move	$21,$2

	lw	$4,40($17)
	jal	__fixsfsi
	addiu	$22,$22,76

	move	$7,$2
	li	$5,60			# 0x3c
	move	$4,$21
	jal	av_set_pts_info
	li	$6,1			# 0x1

	lw	$2,0($21)
	lw	$16,8($21)
	sw	$2,8($17)
	li	$3,35			# 0x23
	li	$2,4			# 0x4
	sw	$3,228($16)
	li	$4,4			# 0x4
	sw	$2,28($16)
	jal	av_malloc
	sw	$0,224($16)

	lw	$3,8($21)
	sw	$2,24($16)
	lbu	$2,16($18)
	lw	$4,24($3)
	sb	$2,0($4)
	lw	$3,8($21)
	lbu	$4,17($18)
	lw	$2,24($3)
	sb	$4,1($2)
	lw	$3,8($21)
	lbu	$4,18($18)
	lw	$2,24($3)
	sb	$4,2($2)
	lw	$3,8($21)
	lbu	$4,19($18)
	lw	$2,24($3)
	sb	$4,3($2)
	lw	$5,8($21)
	lw	$2,0($17)
	sw	$2,40($5)
	lw	$3,4($17)
	j	$L59
	sw	$3,44($5)

$L84:
	jal	av_free
	move	$4,$fp

	j	$L53
	li	$4,-12			# 0xfffffffffffffff4

$L83:
	j	$L53
	li	$4,-1			# 0xffffffffffffffff

	.set	macro
	.set	reorder
	.end	fourxm_read_header
	.globl	fourxm_demuxer
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC1:
	.ascii	"4xm\000"
	.align	2
$LC2:
	.ascii	"4X Technologies format\000"
	.data
	.align	2
	.type	fourxm_demuxer, @object
	.size	fourxm_demuxer, 64
fourxm_demuxer:
	.word	$LC1
	.word	$LC2
	.word	48
	.word	fourxm_probe
	.word	fourxm_read_header
	.word	fourxm_read_packet
	.word	fourxm_read_close
	.space	36
	.ident	"GCC: (GNU) 4.1.2"